JEE · NEET Previous Year Question

Two identical photocathodes receive the light of frequencies and respectively. If the velocities of the photo-electrons coming out are and respectively, then

Topic: JEE PYQ

Answer: A. Full step-by-step solution below.

  1. A
  2. B
  3. C
  4. D

Correct answer: A

Solution

(a) JEE Main 2021


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